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entries/system_syzygy.md

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+# System Syzygy
+
+_Narrative puzzle game involving solving an assortment of ingenious logical and verbal puzzles embedded within a storyline which is revealed piece by piece as the puzzles are solved._
+
+- Home: https://mdsteele.games/syzygy/
+- State: mature, inactive since 2018
+- Download: https://mdsteele.games/syzygy/download/
+- Platform: Windows, Linux, macOS
+- Keywords: puzzle, inspired by System's Twilight, open content
+- Code repository: https://github.com/mdsteele/syzygy.git
+- Code language: Rust
+- Code license: GPL-3.0
+- Assets license: GPL-3.0
+
+Developer: Matthew D. Steele
+
+## Building